22918986823 has 2 divisors, whose sum is σ = 22918986824. Its totient is φ = 22918986822.

The previous prime is 22918986791. The next prime is 22918986841. The reversal of 22918986823 is 32868981922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22918986823 - 2⁵ = 22918986791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22918981823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11459493411 + 11459493412.

It is an arithmetic number, because the mean of its divisors is an integer number (11459493412).

Almost surely, 2^22918986823 is an apocalyptic number.

22918986823 is a deficient number, since it is larger than the sum of its proper divisors (1).

22918986823 is an equidigital number, since it uses as much as digits as its factorization.

22918986823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 58.

The spelling of 22918986823 in words is "twenty-two billion, nine hundred eighteen million, nine hundred eighty-six thousand, eight hundred twenty-three".